# API Reference


## The switch block


The context manager that gives Python an explicit switch statement. Use it in a `with` block, register cases, then read `result`.


[switch](switch.md#switchlang.switch)  
An explicit switch statement for Python, implemented as a context manager.


## Range helpers


Helpers for mapping ranges of values to a single case.


[closed_range()](closed_range.md#switchlang.closed_range)  
Create a closed range for a case: both `start` and `stop` are included.